OJ Avery Posted September 26, 2019 Share Posted September 26, 2019 I have a 08 gu713 dump. MP7 engine, Mack 10 speed trans. The speedo stops working after 5mph. Then once you're over 5mph the rpms are limited to 1500. The speedo sensor at the trans is new. I have an active code for an abs sensor (left axle 2). Will that active code mess with the speedo?? Quote Link to comment Share on other sites More sharing options...
OJ Avery Posted September 27, 2019 Author Share Posted September 27, 2019 Thanks for the input....lol. So it had an active code for the lr axle, and an inactive code for right rear. So i ohmed the lr...open...ohmed right rear ...open.So I replaced left rear, cleared codes. right rear popped up as active. drove it, works good. Now I'm replacing the right rear. Turns out the vecu freaks when it sees no wheel rear speed at all but front only. Quote Link to comment Share on other sites More sharing options...
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